camera: Fading capture animation for ZSL mode

Change-Id: I6bf5086c749799e74d9fa876a6af77157343a5f2
Camera2: Add spinner for post-HDR mode

Change-Id: I2912ed8b77a919d550721fd8cdfd88ac22fa45c3
Merge branch 'cm-11.0' of https://github.com/CyanogenMod/android_packages_apps_Camera2 into cd-4.4-legacy